Quantum computing startups are focusing on solving the challenging problem of error correction in quantum hardware, a critical issue that big companies like Amazon, Google, IBM, and Intel have yet to fully address. UK-based Riverlane is tackling the enormous amount of classical computations needed for quantum error correction, specifically processing data to detect errors in qubits. By linking multiple hardware qubits to create logical qubits, Riverlane's hardware can monitor errors in real-time, allowing for more sophisticated calculations. Their Collision Clustering decoder algorithm efficiently handles error detection, while their custom chips consume minimal power and space. Moreover, Riverlane's hardware can integrate with various qubit technologies, showcasing their flexibility and focus on providing a highly specialized yet comprehensive solution to quantum error correction. With the potential to revolutionize quantum computing, Riverlane's innovative approach sets the stage for future advancements in the field.